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Finding the Fourth Proportional to 377,059.66, 520,345.86 and 207,295

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Solution

The fourth proportional to 377,059.66, 520,345.86 and 207,295 is: 286,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,059.66 : 520,345.86 = 207,295 : x
  2. Step 2: Convert to fraction form
    377,059.66/520,345.86 = 207,295/x
  3. Step 3: Cross multiply
    377,059.66x = 520,345.86 × 207,295
  4. Step 4: Simplify right side
    377,059.66x = 107,865,095,048.70
  5. Step 5: Solve for x
    x = 107,865,095,048.70/377,059.66
  6. Step 6: Final answer
    x = 286,069.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.